Advances in the calculation of compressive strength from acoustic measurements of rock mass samples - examples of calculations

• Autorzy: Chrzan Tadeusz , Szymanowicz Sławomir

Identyfikatory

DOI

10.12913/22998624/205339

• Języki publikacji: EN

Abstrakty

EN

The properties of the rock mass, such as compressive strength and deformability of rocks, also have a direct impact on mining technology, the machinery used and its efficiency. For many years, work has been carried out on the widespread use of the ultrasonic method for determining rock strength properties. This method is characterized by simplicity of measurement and its accuracy increasing with the number of measurements. A very important advantage of this method is the possibility of multiple measurements, the short duration of the measurements and the almost immediate results, which can be presented in the form of a curve reflecting the relationship between compressive strength and the measured acoustic parameters. The article describes the development of research and the relationship between compressive strength and acoustic parameters such as volume density, longitudinal wave velocity and the product of volume density and longitudinal wave velocity. The analyses demonstrated the accuracy of the calculations based on the value of the coefficient of determination (R2). A new relationship between compressive strength and acoustic modulus was presented, and it has the highest accuracy. It was proposed that this new method can be used to calculate the compressive strength of all brittle materials using acoustic modulus.

Słowa kluczowe

EN

sample; compressive strength; acoustic parameters; rock mass

• Wydawca: Lublin University of Technology ; Polish Society of Ecological Engineering (PTIE), Branch of PTIE in Lublin
• Czasopismo: Advances in Science and Technology. Research Journal
• Rocznik: 2025
• Tom: Vol. 19, no. 8
• Strony: 384--394
• Opis fizyczny: Bibliogr. 40 poz., fig., tab.

Twórcy

autor

Chrzan Tadeusz

• Surface Mining Institute, Poltegor Institute in Wroclaw, ul. Parkowa 25, 51-616 Wrocław, Poland

• https://orcid.org/0000-0002-5424-7311

autor

Szymanowicz Sławomir

• Surface Mining Institute, Poltegor Institute in Wroclaw, ul. Parkowa 25, 51-616 Wrocław, Poland

• https://orcid.org/0000-0003-0274-5439

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